BSC 1005 EXAM 3 2026 PRACTICE TEST
QUESTIONS AND DETAILED BIOLOGICAL
SYSTEMS MOLECULAR BIOLOGY AND
HOMEOSTASIS BREAKDOWN FULL REVIEW
◉ Nucleotides consists of?
A. proteins, glucose, and fats
B. sugar, phosphate, and a base
C. saccharides, amino acids, and lipids
D. glycoproteins and glycolipids
E. none of the above. Answer: sugar, phospate, and a base
◉ All of the following are characteristics of DNA except?
A. serves as the instruction manual for how to build an organisms
B. exists in all living organisms
C. offsprings inherit it from their parents
D. found in chromosomes
E. exists as a triple-stranded helix. Answer: exists as a triple-
stranded helix
,◉ Among the human population men get their ____ chromosomes
that define them as male form their _____
A. X; mothers
B. X; fathers
C. Y; mothers
D. Y; fathers
E. M; parental. Answer: Y, fathers
◉ DNA is characterized by base pairing; which of the following pairs
is incorrect?
A. A-T
B. C-G
C. T-U
D. all are correct. Answer: T-U
◉ Which of the following bases is not associated with DNA?
A. adenine
B. thymine
,C. guanine
D. cytosine
E. uracil. Answer: uracil
◉ The backbone of the double helix consists of ____ and _____ while
the _____ forms the rung.
A. sugars, bases, phosphates
B. bases, sugars, phosphate
C. sugars, phosphate, bases
D. phosphates, bases, sugars
E. none is applicable. Answer: sugar, phosphate, bases
◉ Which kind of bond is associated with complementary base
pairing?
A. covalent
B. hydrogen
C. ironic
D. all are applicable
E. none are applicable. Answer: hydrogen
, ◉ In the diagram above A refers to ______ associated with _____; while
B refers to _____ associated with _____
A. DNA, ribose, RNA, deoxyribose
B. deoxyribose, DNA, ribose, RNA
C. ribose, RNA, deoxyribose, DNA
D. RNA, ribose, DNA, deoxyribose
E. none is apllicable. Answer: ribose, RNA, deoxyribose, DNA
◉ Telomeres are associated with
A. ends of linear chromosomes
B. prokaryotic chromosomes
C. repetitive sequences
D. A & C
E. B & C. Answer: A & C
ends of linear chromosomes
repetitive sequence
◉ In human cell transcription occurs in the ____; while translation
occurs ______
QUESTIONS AND DETAILED BIOLOGICAL
SYSTEMS MOLECULAR BIOLOGY AND
HOMEOSTASIS BREAKDOWN FULL REVIEW
◉ Nucleotides consists of?
A. proteins, glucose, and fats
B. sugar, phosphate, and a base
C. saccharides, amino acids, and lipids
D. glycoproteins and glycolipids
E. none of the above. Answer: sugar, phospate, and a base
◉ All of the following are characteristics of DNA except?
A. serves as the instruction manual for how to build an organisms
B. exists in all living organisms
C. offsprings inherit it from their parents
D. found in chromosomes
E. exists as a triple-stranded helix. Answer: exists as a triple-
stranded helix
,◉ Among the human population men get their ____ chromosomes
that define them as male form their _____
A. X; mothers
B. X; fathers
C. Y; mothers
D. Y; fathers
E. M; parental. Answer: Y, fathers
◉ DNA is characterized by base pairing; which of the following pairs
is incorrect?
A. A-T
B. C-G
C. T-U
D. all are correct. Answer: T-U
◉ Which of the following bases is not associated with DNA?
A. adenine
B. thymine
,C. guanine
D. cytosine
E. uracil. Answer: uracil
◉ The backbone of the double helix consists of ____ and _____ while
the _____ forms the rung.
A. sugars, bases, phosphates
B. bases, sugars, phosphate
C. sugars, phosphate, bases
D. phosphates, bases, sugars
E. none is applicable. Answer: sugar, phosphate, bases
◉ Which kind of bond is associated with complementary base
pairing?
A. covalent
B. hydrogen
C. ironic
D. all are applicable
E. none are applicable. Answer: hydrogen
, ◉ In the diagram above A refers to ______ associated with _____; while
B refers to _____ associated with _____
A. DNA, ribose, RNA, deoxyribose
B. deoxyribose, DNA, ribose, RNA
C. ribose, RNA, deoxyribose, DNA
D. RNA, ribose, DNA, deoxyribose
E. none is apllicable. Answer: ribose, RNA, deoxyribose, DNA
◉ Telomeres are associated with
A. ends of linear chromosomes
B. prokaryotic chromosomes
C. repetitive sequences
D. A & C
E. B & C. Answer: A & C
ends of linear chromosomes
repetitive sequence
◉ In human cell transcription occurs in the ____; while translation
occurs ______
